- Min.Order :1 Metric Ton
- Purity: 100%
- Payment Terms : T/T
Keywords
retarder cementing additive oilfield chemical
Quick Details
- Appearance:free flowing powder
- Application:GH-I can stick on the surfaces of cement hydrate to inhibit contacting between cement and water, also stick on the surfaces of crystal nucleons to prevent their enlarging. So it can retard hydrating o
- PackAge:25 KGS/bag
- ProductionCapacity:6|Metric Ton|Day
- Storage:cool and dry place
- Transportation:
Superiority:
GH-I can stick on the surfaces of cement hydrate to inhibit contacting between cement and water, also stick on the surfaces of crystal nucleons to prevent their enlarging. So it can retard hydrating of cement slurry.
Details:
Characteristics
- GH-I consists of various kinds of compounds, such as cellulose derivative and hydroxycarboxylic
acid.
- Non-poisonous, non-odor, and non-corrosivity.
- Normal dosage: 0.1%~1.0% (BWOC). It is more efficient if it is used combining with USZ friction reducing additive when middle-deep well is cemented.
- It can reduce the consistency of cement slurry and improve the rheology.
- Generally used in oil wells whose circulate temperature under bore is below 110℃.
- Preferred to be mixed without water.
Technical Specification
|
Items |
Specification |
|
Appearance |
Free flowing powder |
|
Water content,% |
≤8.0 |
|
Fineness (0.315mm sieve),% |
<15.0 |
|
Thickening time(70℃.39.6MPa.41min), min |
≥120.0 |
|
Initial consistency(70℃.39.6MPa.41min), Bc |
≤30.0 |
|
Mutation value of thickening curve, Bc |
≤10.0 |
|
Extension value of thicking time, min |
≥60.0 |
|
Increased sensitivity, % |
≤25.0 |
|
Temperature sensitivity, % |
≤20.0 |
|
Transition time(70℃.39.6MPa.41min), min |
≤40.0 |
|
Free liquid(70℃), % |
≤1.4 |
|
Compression strength(92℃,0.1MPa,24h), MPa |
≥14.0 |
Packing, Storage
- Be sacked with three-layer plastics bag, 25kg per bag.
- Be kept away from moisture and possible damage of the packages in transportation, be stored in cool and dry situation.
- Storage life time is two years.
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